Medium 6.3Published Apr 1, 2026

CVE-2026-5317Nothings stb stb_vorbis.c start_decoder out-of-bounds write

Updated under an hour ago (Oct 26, 2026, 3:10 PM ET)

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It affects Nothings stb and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Nothings stb

Exploited in the last 30 days

A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-787, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Apr 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Nothings stb nothings:stb (from the name)	1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; and 15 more ranges	CNA record
nothings stb_vorbis.c nothings:stb_vorbis.c	through 1.22	NVD

References

References

https://vuldb.com/vuln/354649	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/354649/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/780561	third-party-advisory, vdb-entry
https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.